Water-feed apparatus for steam-boilers or the like.



Patented Apr. 29, 191$).

2 SHEETS SHEET 1.

THE LIKE.

L. DOUNAEW. APPARATUS FOR STEAM BOILERS OR APPLICATiON FILED JUNE \9, 1918.

WATER FEED L. DOUNAEW, WATER F EED APPARATUS FOR STEAM BOlLERS OR THE LIKE.

APPLICATION FILED JUNE 19. I918 Patented Apr. 29, 1919.

2 SHEETSSHEET 2.

To all wiwm i i? may (mm mi Bo it iniown that Y aitizon o iiiio ing :it- New and or; Now i mm mo -v iiiii iiqcii oi or tho like oi: Winch the toil and 01- f oci'iioiiii i, the

iiccomi'iiu mg drawings, iiio zziaiai' novel features of my invention bom "1 02111?! ow of i'iiis work to Sili'il i1 Him we,

fully pointed out in the ziiiiioxoii chi-hos.

pumping water into a s tozim boiler in action it is necessary to :i'ppviy pogitivo WOlk against tho pressure in the boiler. Usually steam from the same boiieiis applied for this Work wi'iei'eby the steam runs freely from the boiler to zisteam pump, injector, or other similar apparatus Where tho steam works ihi'oiigh expansion. Feeding moons of this charaote hereto fore used in the art Show on efiicienc v which is low compared with the, Work required anti thus tho losses incui'i-od 'tlioi'eiiy constiimbe an appi'ooiabio item in the (053$ off opomtion of HM' steam piani'.

The feeding: apparatus accoi'ding' in my immiion i'ziiz-zw; tho oiiivimioy in iii: poi i that suiistzmtiiiiiy 011i) tho i'ompmfziiji friction iossos iii The ippiiitli'iifl iirioii constitute iilQ mist-mi 0,1101

In the :u'ooimisiii ving drawings:

Figure 1 ifs :1 ionggitiuiiimi \iii'iCiii H iion through iii'o zip iu'ui'uii on the iiiiv iC- F in Fig. :"i;

Fig. 2 is :1 iTK'iUISYQI'LXB, the line i i-J3 in Fig. 1;

Fig. 3 is a tm'iiszvoi'so voviicni section on the line C -i) in Fig. 1;

Fig. 4 is a (lemii and View in larger 5-; Me 01"- one of the slides For coiiii'oiiiiig Hi0 pas-Sago of Hie steam; and

5 is a full 0nd \iOW oi the entire apparatus. showing how it is; mountoc'i on the boiim'.

The ooiifivrucivion of folio "VS! fi iofoii'iiig io T :2 siibsiiii eigiziiiy 1'15 proviiioii with ii Q i iiiion H inwhich o' disposed. Pi on iii-2 iho apparatus is as and mvai

Jtk verso wall 13 iiividin liiliii) two cox mam-F,- Li and. .15 0i equal vfil'ilififiu owmpiiilfiliifiiiil provides; *w ii amm- Mitzi! ii: if;

iiiisizii iioirwoim mifziiij/ oi. miiuii iormiiiiit the Wfl tei' (iisv isi d ii and iii, "i Son zim two pei'ipiiomi rows oi pom nuioiy p? o cox; oomnnmication thus with(iisoha-i' gjo pipe, 18, Tim: of cylinde located Niili'iifi mo "L portion oi? oils 16' isi 'QTQTFVii T l9 and 20. which ziiro s coqi iTQ'i oi tho cylinder so; "1'

tion in a dis Whom tho porirow 16 of ono p 3'5 pai'iiiient registers: with compiu I .Y. theiport row of the, piston coii'i iii'iiim Li wiii rogiktor with ori: 9, Wiion tho p is shifioii into the oilhor exii'omo positio m which tho poiis 0i oomimi'izmoni, 3? with oon'ipzifmori-i i." moni To V Cylinder i is two 'ti'iiiisvorso 1o may be soon from 65 toward its 0m" 1 (sou iii, Tier? inhoy (jilif'wtifi tho pi'ii' 'iofio oi "which pininoii PTQFQOHHY, Boiiivieii chest 21 and Q44" and the iowoi' 1 the viincior Wiiii i5; IHOIUiiECi in me Ill casing; 10 a siidio '23 i i i'aspooici'voiy. pihoi'or iiio cyiiiuirioai i e-rm for tho si tho (and vi w of Riido' hoii'ig Fig. 4: in hu or s zzi io. As 'Wiii 1, siiiimi and 24 we iioiii V C at he portion oooni; Lo (i915 7ml]; with ion iilfiiiiiilii siot speotiveiy, Wh'iL i'ogistoirs with a Himiiiu" W'icit-h R 1.". mbi-s ieng i'iii gioiio 0431"? a in by so Wii 1m Till i q and 322 oy inst-sis 03.. .i. pert ports heir; ztiremotely closed and. opened h their r ispeetive slides when the piston operates these slid through lingers l8 and as deso med before. The oylinds for the slides connected at their outer ends to the open men s of ports 36, 3'? respectively which likewise are alternately opened and Ye sli es when the These slides can he ree. from their respective cylinders when 1% 38, 39 are unscrewed. Each of 3 provided with centre-l boss i against it rod 42 provided of eylino 11 when a which outer oi ey i'n'ider cover rough moss t 10. -Clin the interior isposecl which shots he side against the bottom of the d with the other side again washer N mily. as shown t hand end oi the cylinder, hoist 4-5 is UJ-PELlldQd. is soon as the piston arrives at one end oi the cylinder '(see left hand end of i), Mi hoes e1 shuts minst rod which cnipresses holster and thus rel -:es the shook oil the impact of the piston against the end movers oi the cylinder. The redneed ends of rods 42 protrmle through the outer W: in

he provided with shown here, for 'n 'srd so as to rolre in case it l i id have stopped at it point where it will s nutenr :icslly to operate in the n'ienner which 1 he described presently.

The nope: portion of casing 10 is prov1 led w tn a water inlet 6 which discharges i'he Water into the hentinsuleting paid (30, end ehest 17, as shown in 3, is pro Yidid with s. steznn supply pipe l! which lends to the boiler 48 (Fig. The loez.- tion of the entrance oi this steam supply 1- nnd 22 can in the i301 Mil i open air through slots 27,

dotted circle -19.

to n do; ie in) prov pine ii enters the hoi a she .31 01: any suit ranged, Whieo. can be tempera a chain 552 or any other su As will :he seen from Ti 0, the the boiler enters the dome dire? there may pass into nine i? i. is open where'is pipe 7 4 dome and terini mien in. tle

l holow the normal ziter l water d .qhzirgg'e pine 1 boiler and teiii'niuni es tinee below the normal L in n. ."his pipe ins closed o menus e valve 1e operation of the (eyiee i as Eoliou'si llet us assume the water has iullen in the boiler s. suliieient distance helow normal to require ieedin of the hoilclower end of seemn p liYe si nna. stuneu in the position shown the stezmi spsre oi the hoiie mun vision with chest 17., further {assume that the 7 (raising: i0 is lied nd renm \Yiliill' from in h in i'er supply the oosition in which piston 12 is shown l 1.. there is a. 'iree communication ivr tn een Water chest 5 and eompzirtment n1: mu

of piston through ports ill 19, so that reuipai'tn ent M will iill with water. Slide 9.3 (ontrolled by the le' hand end of 199 piston 12, has been pushed lo L left hand position in which it is shown, and

slide 2% has been pushed by the piston to furthest left hand posit on. Iii these tions. slide :2 has non." red :1 J'OEEHHUH tion het eon steam] ('llOSi'. 2i" hehind the left hand one. thriu'grh port 34- (tl en imeovered slide) boring of glue; inierior 22-3, and slots L6. The exhzui that time is covered by slide 23. sition the space behind the right hand of piston 12 in vommunim tion 26 in 2.01 slide 2 and port 3'2 whirh is then uncovered 116 by that slide. Port in (ommum-alien with ehest 22 is then closed by slide 2' il ith no st mm admitted into vhesliu 2% the piston remains stutionnrv and conditions renuiin in all respects as just desi-rihed. Now, if the engineer opens it'( u moment the Valve 51 of steam pipe 29, live stesin {Mlmitted to ch 21 and 92 and tlnis live stezun will reach the spar behind the linnd end of piston 12 nnsh the piston 'rndu th e in exp-(rm LiQZ ad 1110 slide at the red to j zntdtaneously outside,

device for steinn 'ihinntion of :1 cy'h J and i ting' a feed rcci 'n'ow g; iston .inder and being trans- 1; two separate comparta: s d piston Whfis having tahir Msposed i d coni- A ts LO pr oartnio ts to aiternatci) recen'i eod Water Sim from so i chest and dis her it into the boiler hy the I iston rocz timn means for steam From th Uoiier zdtermitoiy said comp nn-nts as dis "water contents a steznn chest edm oxdinder end adapted to refrom the pi:' n comparttowzzcd ti end.

controiied by adapted to Hi1YiUiiZR- to who outside, and

disposed to permit said comeh'crnnteiy receive teed Water ch :st and disctmrgzio it into the Y the piston rcm'procntion. means for g y .7 In trmn the boiler niiornnteiy each of sznd coin.partnlents as it disits Water ontr-nts, a stemn chest 21d- 1 con martcyiindor cnd r steam from the pisto neonsly connect znovon'lent of the M11 from the chest to the cylinder end which the piston his m'rired, the shite the other cylinder e d adapted sinn t and to the entsido, d steinn supply conn 1; common to both stenm c dent of the first-en i ns for tcmpormiiiy aid ther end of the cylinder to =1 the reciprocation of the and a valve con tion from tho chests, but inc steam supply n. ting steam to normally sir piston.

7. In a we boilers or th inder closed feeding device for steam the combination of :1 cyL its ends and hav ng a. feed Water chest, ioil'nv reciprocetlnsg piston contained in so? cylinder and beingtransversely divided into two separate romperh ments, said qyiindcr and piston veils hming ports snitch. isposed to permit said compartments to nteinutciy IGCQIVQ fem and d'schm. n; r o

Gil, 111621115 chest water from snio the boiler by the 'yns'on rut-i1 TOCz; i

from the boiler neiy to am i LOH'XPflTi? v msc mrges its Wil'tP-l contents, a. steam chest for supplying st adjacent to each cylinder end adopted to reoeive the steam from the piston COYHPQJL ment as the piston travels toward that end, :1 shdefor each steam chest controiied hv the movement of the PiSi'OlL for ednntti j the steam from the chest to the cyiindeend at which the piston has arrived, it siide at the other cylinder end adapted to sirnnhm neonsly connect that end. to the outside, and adjustable means on each siide for controiling the amount of steam passing: through it, i0 control the reci n'ocating speed of the piston, and a cushioned. push rod at :n-h cylinder end. serving an abutment for the ston. each rod extendin through the cyhzr der end to permit start the movement of the piston from the outsi e in case said stand at a point Where they prevent steam admission to the dinder from said i to 

